Home / 13,343,486.30-20,008,036.94-7,198,762.61

Finding the Fourth Proportional to 13,343,486.30, 20,008,036.94 and 7,198,762.61

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Solution

The fourth proportional to 13,343,486.30, 20,008,036.94 and 7,198,762.61 is: 10,794,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343,486.30 : 20,008,036.94 = 7,198,762.61 : x
  2. Step 2: Convert to fraction form
    13,343,486.30/20,008,036.94 = 7,198,762.61/x
  3. Step 3: Cross multiply
    13,343,486.30x = 20,008,036.94 × 7,198,762.61
  4. Step 4: Simplify right side
    13,343,486.30x = 144,033,108,123,130.66
  5. Step 5: Solve for x
    x = 144,033,108,123,130.66/13,343,486.30
  6. Step 6: Final answer
    x = 10,794,263.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.